Dhund means a heap of ruins, and Dhundai and Dibai are very near each other in sense if not in sound. Crooke also gives the word Dungar, a hill, and hence the name Dongara . . . . Lalitpur . . 468 or, as spelt in the Urdu column, Dungara, ...
During the oestrus cycle in the pig there does not appear to be distinct follicular waves as in cows; it has been proposed that the final growth of follicles to ovulatory size takes 19 days. The luteal phase is characterised by the secretion of progesterone from of the corpus luteum.
Female dogs do not have periods per se, but they do go through a regular heat cycle if they have not been spayed, or desexed. The average heat cycle for a dog is anywhere from 1 week to 4 weeks in length.The time between heat periods is usually around seven months but can vary from every 4 months to once a year.  Average times between heat periods is seven months but some dogs  can cycle as early as every 4 months, some once a year.    Lengths of heat cycles and intervals between cycles are different  for each dog but most dogs hit somewhere close to the averages.